The software comes as an addition to the W-2 forms to give you the possibility to fill those forms. It's true that the w-2 forms can be filled in other applications from the same category, but if you don't need it, then simply don't select it to purchase or leave it as it is.
To find more about it, open it and go to Help > Contents. You will find all the necessary information about the software and how it works.
